Re: Minimalistic JPA in GWT 2.1.0.M3

Does your persistence.xml have the following:

<persistence-unit name="Domain">

and using the following in your session bean:

@PersistenceContext(unitName="Domain")
EntityManager em;

On Sep 30, 11:08 pm, Y2i <yur...@gmail.com> wrote:
> Thanks for the reply.  I'm doing something wrong because I'm getting
> the same error even when I place persistence.xml to /war/META-INF.
> javax.persistence.PersistenceException: No Persistence provider for
> EntityManager named Domain
>
> The exception is thrown in both hosted and stand-alone mode.  I'll try
> to configure JTA transactions first before doing anything else with
> the JPA.
>
> On Sep 30, 6:15 pm, lineman78 <linema...@gmail.com> wrote:
>
>
>
> > persistence.xml should be located in /war/META-INF
>
> > On Sep 30, 4:28 pm, Y2i <yur...@gmail.com> wrote:
>
> > > Client's requests go the server through RequestFactoryServlet.
> > > My service objects (those annotated with
> > > @Service(SomeDomainClass.class) on the client side are being called
> > > fine.
> > > When a service method explicitly creates an entity and returns it to
> > > the client, the request returns without problems.
>
> > > The problem occurs as soon as I start using JPA
> > > I use EclipseLink 2.1.0.  The transaction type is Resource Local for
> > > now
>
> > > When I try to eject EntityManager using @PersistenceContext, it is
> > > always null.
> > > When I try to get the factory using
> > > Persistence.createEntityManagerFactory("Domain"), the call would throw
> > > javax.persistence.PersistenceException: No Persistence provider for
> > > EntityManager named Domain
>
> > > It seems that nether GWT hosted server nor deployment server
> > > (jetty-6.1.23, same as hosted server) see persistence.xml file.  It
> > > does not matter what I type inside persistence.xml - the error is the
> > > same, as though it is not picked up by the server at all.
>
> > > Any help, especially where to place persistance.xml for a GWT project,
> > > would be greatly appreciated.  Thanks in advance.
> > > Yuri

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